Innovative Hand-Held Insulin Device Effectively Controls Diabetes and Provides Reliable and Easy to Use Insulin Dosing
By Mike Hanlon
January 27, 2006
January 28, 2006 Pfizer’s Exubera (insulin human [rDNA origin]) Inhalation Powder has been approved by the U.S. Food and Drug Administration for the treatment of adults with type 1 and type 2 diabetes. Exubera was found in clinical trials to be as effective as short-acting insulin injections, and to significantly improve blood sugar control when added to diabetes pills. Exubera, which is expected to be available for patients by mid-year, is the first inhaled form of insulin and the first insulin option in the United States that does not need to be administered by injection. Pfizer is naturally hailing the new drug form as a breakthrough.
"Exubera is a major, first-of-its-kind, medical breakthrough that marks another critical step forward in the treatment of diabetes, a disease that has taken an enormous human and economic toll worldwide," said Hank McKinnell, chairman and chief executive officer of Pfizer. "The global incidence of diabetes is currently at epidemic levels. Millions of patients are not achieving or maintaining acceptable blood sugar levels, despite the availability of current therapies. Exubera meets a critical medical need by offering a highly effective and needle-free alternative to diabetes pills and insulin injections to manage this complicated, debilitating disease."
Exubera is a rapid-acting, dry powder human insulin that is inhaled through the mouth into the lungs prior to eating, using the handheld Exubera Inhaler. The Exubera inhaler weighs four ounces and, when closed, is about the size of an eyeglass case. The unique Exubera Inhaler produces in its chamber a cloud of insulin powder, which is designed to pass rapidly into the bloodstream to regulate the body's blood sugar levels. Exubera Meets Medical Need "Many people who could benefit from insulin are fearful of injections, so they delay treatment five years or ten years, placing them at risk for serious complications. Now, for the first time patients can improve blood sugar control with fewer or no painful injections," said Dr. William Cefalu, Exubera investigator and chief of the division of nutrition and chronic diseases at the Pennington Biomedical Research Center, a campus of the Louisiana State University System, in Baton Rouge.
The efficacy and safety profile of Exubera was studied in more than 2,500 adults with type 1 or type 2 diabetes for an average duration of 20 months. In clinical trials, many patients using Exubera reported greater treatment satisfaction than patients taking insulin by injection. Significantly more patients who had used both Exubera and insulin injections or diabetes pills reported an overall preference for Exubera.
"With Exubera, I've been able to control my blood sugar levels and not constantly worry about how I manage my diabetes," said Jamie Villastrigo, a type 2 diabetes patient and Exubera clinical trial participant.
In patients with type 2 diabetes, Exubera can be used alone as an alternative to rapid-acting insulin injections or diabetes pills, or in combination with diabetes pills or longer-acting insulin. In patients with type 1 diabetes, Exubera will be used in combination with longer-acting insulin.
The Burden of Diabetes in the United States
Complications commonly associated with uncontrolled or poorly controlled blood sugar levels include heart disease, amputation, blindness and kidney failure. Diabetes and its complications are estimated to account for $132 billion in direct and indirect health care costs annually.
Nearly 21 million Americans have diabetes and approximately 95 percent of these people have type 2 diabetes.
In type 2 diabetes, the body does not make or use insulin well enough to manage blood sugar levels. Type 2 diabetes progresses over time, and eventually most patients will need to administer insulin to achieve blood sugar control. In type 1 diabetes, the body does not make insulin at all. These patients must take insulin to survive.
All people with type 1 diabetes and a large percentage of people with type 2 diabetes need treatment with insulin. While insulin has been proven to be effective to reduce blood sugar levels and the risk of complications, health care providers and patients often have been unwilling to start treatment. Factors include patients' fear of injections and social embarrassment associated with needles.
Exubera is the result of one of the most rigorous and innovative diabetes development programs. Pfizer has invested in two state-of-the-art manufacturing facilities—the world's largest insulin plants in Frankfurt, Germany, and a highly automated, high-tech production facility in Terre Haute, Indiana.
Exubera is a product of a collaboration between Pfizer and Nektar Therapeutics. Pfizer recently reached an agreement to acquire the sanofi-aventis worldwide rights to Exubera. The two companies were previously in a worldwide alliance to co-develop, co-promote and co-manufacture Exubera.Share
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